Application of a front face coating to ink jet printheads or pri

Details Application of a front face coating to ink jet printheads or pri Application of a front face coating to ink jet printheads or pri

1992-04-28

1993-07-27

Jones, W. Gary

Coating processes

With cutting, holding, severing, or abrading the base

427428, 4274301, 118 59, 118207, 118244, 118413, 118503, 346140R, 346 11, 298901, B05D 128, B05C 100, B05C 1300

Patent

active

052309266

ABSTRACT:
A method and apparatus for applying a coating to a front face of an ink jet print head die or print head die comprise positioning a die in a cut out in a top surface of a block such that the die extends from the top surface of the block. An applicator such as a roller or flat blade is used to apply the coating to at least an upper surface of the die as the applicator rides along the upper surface of the die. When a roller is used as the applicator, the roller has a recess corresponding to the extension of the die from the top surface of the block. The roller recess contains a piece of elastomeric material which extends to an outer portion of the roller adjacent to said roller recess. The method and apparatus facilitate transfer of a thin, uniform film of coating to an ink jet printer print head die or a completed ink jet printer print head.

REFERENCES:
patent: 3453989 (1969-07-01), Bippus
patent: 4393808 (1983-07-01), Braden
patent: 4733447 (1988-03-01), Ageishi
patent: 5016023 (1991-05-01), Chan et al.
patent: 5016024 (1991-05-01), Lam et al.
patent: 5068006 (1991-11-01), Fisher
"Dual-Station Glassing Fixture", N. L. Robinson, IBM Technical Disclosure Bulletin vol. 19, No. 18, Jan. 1977, p. 2897.

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